diff --git a/.github/workflows/nix-build.yml b/.github/workflows/nix-build.yml
index 18f725fa6..e6ac99c24 100644
--- a/.github/workflows/nix-build.yml
+++ b/.github/workflows/nix-build.yml
@@ -1,8 +1,8 @@
 name: nix-build
 
 # Builds .#lightpanda natively on every supported platform, every night or
-# on demand from the Actions tab. Not run on PRs: the macOS runners are
-# slow/costly, and most changes don't touch anything platform-specific.
+# on demand from the Actions tab. Not run on PRs: most changes don't touch
+# anything platform-specific.
 
 on:
   schedule:
@@ -27,8 +27,6 @@ jobs:
             system: x86_64-linux
           - os: ubuntu-24.04-arm
             system: aarch64-linux
-          - os: macos-latest
-            system: aarch64-darwin
 
     runs-on: ${{ matrix.os }}
     timeout-minutes: 60
diff --git a/flake.nix b/flake.nix
index 1f596cc6e..75b53bee4 100644
--- a/flake.nix
+++ b/flake.nix
@@ -45,7 +45,6 @@
       [
         "x86_64-linux"
         "aarch64-linux"
-        "aarch64-darwin"
       ]
       (
         system:
@@ -73,15 +72,13 @@
 
           buildDeps =
             pkgs:
-            if pkgs.stdenv.isDarwin then
-              [ pkgs.apple-sdk ]
-            else
-              (with pkgs; [
-                gcc
-                gcc.cc.lib
-                crtFiles
-                glibc.dev
-              ]);
+            with pkgs;
+            [
+              gcc
+              gcc.cc.lib
+              crtFiles
+              glibc.dev
+            ];
 
           v8BuildDeps =
             pkgs: with pkgs; [
diff --git a/nix/package.nix b/nix/package.nix
index 93df7a078..1b9ea6a28 100644
--- a/nix/package.nix
+++ b/nix/package.nix
@@ -158,7 +158,6 @@ mkZigDerivation {
     platforms = [
       "x86_64-linux"
       "aarch64-linux"
-      "aarch64-darwin"
     ];
   };
 }
diff --git a/nix/update-v8-deps.sh b/nix/update-v8-deps.sh
index 84c05bc4c..004c599f1 100755
--- a/nix/update-v8-deps.sh
+++ b/nix/update-v8-deps.sh
@@ -10,7 +10,6 @@ V8_VERSION=$(awk -F\' '/^  v8:/{f=1} f&&/default:/{print $2; exit}' "$ACTION")
 ZIG_V8_TAG=$(awk -F\' '/^  zig-v8:/{f=1} f&&/default:/{print $2; exit}' "$ACTION")
 
 declare -A PLATFORMS=(
-  [aarch64-darwin]=macos_aarch64
   [aarch64-linux]=linux_aarch64
   [x86_64-linux]=linux_x86_64
 )
diff --git a/nix/v8-deps.nix b/nix/v8-deps.nix
index 5e4144e14..12e5d1434 100644
--- a/nix/v8-deps.nix
+++ b/nix/v8-deps.nix
@@ -11,9 +11,5 @@
       platform = "linux_x86_64";
       hash = "sha256-7tD6GpfYFeL1AA56KRU9YuBu+S0tgKAkWYcBOU6TIss=";
     };
-    aarch64-darwin = {
-      platform = "macos_aarch64";
-      hash = "sha256-3BQCflPfiROZUi9giSlqz983IHr6yh5J3QXERtP8R18=";
-    };
   };
 }